问题
选择题
Shanghai, China’s biggest and the most dynamic city, which______ in the Yangtze River Delta, is playing a leading role in the country’s economy.
A．is situated
B．situated
C．has situated
D．is situating
答案
答案：A
考察被动语态. Situate使位于;使处于.which是situate的逻辑宾语,故用被动语态,选A.